I.S. EN ISO 19334:2011现行
Binders for Paints and Varnishes - gum Rosin - Gas-chromatographic Analysis
出版：National Standards Authority of Ireland
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基本信息
标准编号： I.S. EN ISO 19334:2011
发布时间：2011/5/5 0:00:00
标准类别：Standard
出版单位：National Standards Authority of Ireland
标准页数：19
标准简介
Defines a gas-chromatographic method for determining the amounts of certain rosin acids in gum rosin using capillary gas-chromatographic separation of the volatile methyl esters of these acids. It is intended primarily to permit the identification of gum rosin from specific species of pine trees.
